package com.example.config;

import com.alibaba.fastjson.JSON;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

@Component
public class CustoAuthenticationFailHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        Map<String,Object> resultMap = new HashMap<>();
        resultMap.put("code","402");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        PrintWriter out = response.getWriter();
        out.print(JSON.toJSON(resultMap));
        out.flush();
        out.close();
    }
}
